rotate emoji

readme.md

回転させるスクリプト

• rotate_emoji.sh: 透過
• rotate_emoji1.sh: 背景白

rotate_emoji.sh

#!/bin/bash

WORKDIR=`mktemp -d "tmp-image.XXXXXX"`

input=$1
output=$2

convert ${input} ${WORKDIR}/input.png

for i in `seq -f %02g 0 50`; do
  deg=`echo "scale=1; $i * 7.2" | bc`
  convert -background none -rotate ${deg} ${WORKDIR}/input.png ${WORKDIR}/img-${i}.png
done

convert -layers Optimize -loop 0 -delay 2 -dispose previous ${WORKDIR}/img-*.png ${output}
rm -rf ${WORKDIR}

rotate_emoji1.sh

#!/bin/bash

WORKDIR=`mktemp -d "tmp-image.XXXXXX"`

input=$1
output=$2

convert ${input} -background white -alpha deactivate -flatten ${WORKDIR}/input.png

for i in `seq -f %02g 0 50`; do
  deg=`echo "scale=1; $i * 7.2" | bc`
  convert -background white -rotate ${deg} ${WORKDIR}/input.png ${WORKDIR}/img-${i}.png
done

convert -layers Optimize -loop 0 -delay 2 -dispose background -background white ${WORKDIR}/img-*.png ${output}
rm -rf ${WORKDIR}